Home / 45,344.80-68,017.20-30,599.20

Finding the Fourth Proportional to 45,344.80, 68,017.20 and 30,599.20

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Solution

The fourth proportional to 45,344.80, 68,017.20 and 30,599.20 is: 45,898.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,344.80 : 68,017.20 = 30,599.20 : x
  2. Step 2: Convert to fraction form
    45,344.80/68,017.20 = 30,599.20/x
  3. Step 3: Cross multiply
    45,344.80x = 68,017.20 × 30,599.20
  4. Step 4: Simplify right side
    45,344.80x = 2,081,271,906.24
  5. Step 5: Solve for x
    x = 2,081,271,906.24/45,344.80
  6. Step 6: Final answer
    x = 45,898.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.